gcc/testsuite/gcc.dg/ipa/ipa-pta-8.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O2 -fno-early-inlining -fipa-pta" } */
   3
   4 static int *__attribute__((noinline,noclone))
   5 pass_me (int *p)
   6 {
   7   return p;
   8 }
   9
  10 /* When foo is inlined into main we have to make sure to adjust
  11    main()s IPA CLOBBERED set according to the decl remappings
  12    inlining does.  */
  13
  14 static int
  15 foo (void)
  16 {
  17   int a = 0;
  18   int *p = pass_me (&a);
  19   *p = 1;
  20   return a;
  21 }
  22
  23 extern void abort (void);
  24
  25 int main()
  26 {
  27   if (foo () != 1)
  28     abort ();
  29
  30   return 0;
  31 }